Quick definitions from WordNet (blue)▸ noun:any of numerous small chiefly blue butterflies of the family Lycaenidae▸ noun:blue clothing ("She was wearing blue")▸ noun:the color of the clear sky in the daytime ("He had eyes of bright blue")▸ noun:any organization or party whose uniforms or badges are blue ("The Union army was a vast blue")▸ noun:the sodium salt of amobarbital that is used as a barbiturate; used as a sedative and a hypnotic▸ noun:the sky as viewed during daylight ("He shot an arrow into the blue")▸ noun:used to whiten laundry or hair or give it a bluish tinge▸ verb:turn blue▸ adjective:used to signify the Union forces in the Civil War (who wore blue uniforms) ("A ragged blue line")▸ adjective:suggestive of sexual impropriety ("A blue movie")▸ adjective:causing dejection ("A blue day")▸ adjective:having a color similar to that of a clear unclouded sky ("October's bright blue weather- Helen Hunt Jackson")▸ adjective:low in spirits ("Lonely and blue in a strange city")▸ adjective:characterized by profanity or cursing ("Blue language")▸ adjective:belonging to or characteristic of the nobility or aristocracy ("A blue family")▸ name: A surname (common: 1 in 9090 families; popularity rank in the U.S.: #1162)
▸ Also see blue